Karl Weierstrass

Karl Theodor Wilhelm Weierstrass (Weierstra?) (October 31, 1815 – February 19, 1897) was a German mathematician who is often cited as the "father of modern analysis".

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Karl Weierstrass was born in Ostenfelde, Westphalia (today Germany).

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He was the son of Wilhem Weierstrass, a government official, and Theodora Vonderforst. His interest in mathematics began while he was a Gymnasium student, and was sent to the University of Bonn upon graduation to prepare for a government position. Because his studies were to be in the fields of law, economics, and finance, he was immediately in conflict with his hopes to study mathematics. He resolved the conflict by paying little heed to his planned course of study, but continued private study in mathematics. The outcome was leaving the university without a degree. His father was able to obtain a place for him in a teacher training school in Muenster, and he later was certified as a teacher in that city. During this period of study, Weierstrass attended the lectures of Christoph Gudermann and became interested in elliptic functions.

October 31: October 31 is the 304th day of the year (305th in leap years) in the Gregorian Calendar, with 61 days remaining, as the final day of October....

1815: 1815 was a common year starting on Sunday (see link for calendar)....

February 19: February 19 is the 50th day of the year in the Gregorian Calendar. There are 315 days remaining, 316 in leap years....

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